---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1456 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 705 9819 4 5463 14940 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:7e:f6:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84848sec preferred_lft 84848sec inet6 fe80::f816:3eff:fe7e:f66a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:99:95:e9:7d:9d brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-1456) 01/17/26 _x86_64_ (4 CPU) 11:08:58 LINUX RESTART (4 CPU) 11:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:01 50.50 3.99 30.89 15.62 781.57 6791.12 250087.91 11:30:01 35.51 0.06 31.97 3.48 1.44 6086.85 17899.65 Average: 43.00 2.03 31.43 9.55 391.51 6438.99 133993.78 11:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 8878520 12940856 3014732 18.41 153568 3997812 3251960 18.67 934280 6130652 184580 11:30:01 7362356 12674268 3275108 20.00 180664 5152816 3632504 20.85 1202124 7318640 37656 Average: 8120438 12807562 3144920 19.21 167116 4575314 3442232 19.76 1068202 6724646 111118 11:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 741.38 741.38 705.64 705.64 0.00 0.00 0.00 0.00 11:20:01 ens3 91.59 69.75 1022.87 13.50 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 1371.28 1371.28 1306.34 1306.34 0.00 0.00 0.00 0.00 11:30:01 ens3 35.91 30.99 223.47 8.05 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1056.33 1056.33 1005.99 1005.99 0.00 0.00 0.00 0.00 Average: ens3 63.75 50.37 623.17 10.78 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-1456) 01/17/26 _x86_64_ (4 CPU) 11:08:58 LINUX RESTART (4 CPU) 11:10:01 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 62.49 0.00 2.21 0.29 0.09 34.92 11:20:01 0 62.87 0.00 2.20 0.29 0.09 34.55 11:20:01 1 64.51 0.00 2.04 0.22 0.09 33.14 11:20:01 2 63.29 0.00 2.39 0.41 0.10 33.82 11:20:01 3 59.31 0.00 2.22 0.23 0.09 38.15 11:30:01 all 58.10 0.00 2.38 0.19 0.09 39.23 11:30:01 0 55.87 0.00 2.66 0.17 0.10 41.20 11:30:01 1 60.10 0.00 2.44 0.12 0.10 37.24 11:30:01 2 57.35 0.00 2.18 0.25 0.09 40.13 11:30:01 3 59.09 0.00 2.25 0.22 0.09 38.35 Average: all 60.30 0.00 2.30 0.24 0.09 37.07 Average: 0 59.37 0.00 2.43 0.23 0.10 37.87 Average: 1 62.30 0.00 2.24 0.17 0.09 35.19 Average: 2 60.32 0.00 2.28 0.33 0.09 36.98 Average: 3 59.20 0.00 2.23 0.22 0.09 38.25